695         MachineInstr *MaybeDead = *DI;  in ForwardCopyPropagateBlock()  local
696         MCRegister Reg = MaybeDead->getOperand(0).getReg().asMCReg();  in ForwardCopyPropagateBlock()
705                    MaybeDead->dump());  in ForwardCopyPropagateBlock()
714         MaybeDead->eraseFromParent();  in ForwardCopyPropagateBlock()
729     for (MachineInstr *MaybeDead : MaybeDeadCopies) {  in ForwardCopyPropagateBlock()
731                  MaybeDead->dump());  in ForwardCopyPropagateBlock()
732       assert(!MRI->isReserved(MaybeDead->getOperand(0).getReg()));  in ForwardCopyPropagateBlock()
735       assert(MaybeDead->isCopy());  in ForwardCopyPropagateBlock()
736       Register SrcReg = MaybeDead->getOperand(1).getReg();  in ForwardCopyPropagateBlock()
737       Register DestReg = MaybeDead->getOperand(0).getReg();  in ForwardCopyPropagateBlock()
739           CopyDbgUsers[MaybeDead].begin(), CopyDbgUsers[MaybeDead].end());  in ForwardCopyPropagateBlock()
743       MaybeDead->eraseFromParent();  in ForwardCopyPropagateBlock()